In the middle of the Devonian Period some 385 million years ago, the Wissahickon Schist was the heart of a huge mountain chain that was something like the Pacific Northwest of today.Volcanoes formed ...

IOWA CITY — Some 375 million years ago, Iowa was under water. The temperatures were hot, and brightly colored corals and huge fish moved through the shallow sea. Visitors can see a glimpse of this ...

The lower Upper Devonian sequence in the western half of New York consists largely of evenly stratified alternating layers of gray shale and mudrock, very dark gray to black shale, and gray siltstone.

Over millions of years, most living organisms suffocated in oxygen-deprived oceans. In the aftermath, modern vertebrates conquered the world. We think of mass extinctions as brief moments of havoc — ...

Members of Syracuse University's College of Arts and Sciences are shining new light on an enduring mystery--one that is millions of years in the making. A team of paleontologists led by Professor ...